CVE-2026-23787 Use after free in Exynos 1280 firmware
A use-after-free in the Exynos DRM HDR driver causes a kernel crash, impacting Samsung mobile processors.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-23787?
CVE-2026-23787 is a medium-severity use after free vulnerability in Samsung Exynos 1280 firmware, published on 14 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in DPU in Samsung Mobile Processor Exynos 1280, 2200, 1380, 1480, 2400, 1580, 2500, 1680, and 2600. A Use-After-Free in the Exynos DRM HDR driver (due to improper cleanup upon vmap failure) leads to a kernel crash.
Weakness: CWE-416
Which versions are affected by CVE-2026-23787?
How do I fix CVE-2026-23787?
No fix has been published for CVE-2026-23787 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-23787 being exploited?
There is no known exploitation of CVE-2026-23787 in the wild and no public exploit code.
Sources
Also known as GHSA-fpf9-x37v-vr9p.